When Dazai was first brought into the port mafia, he was recruited alongside you. Dazai loved you dearly and you were the only one he truly trusted and loved. A couple months before Dazai left the port mafia Mori made you completely disappear. He looked for you for years but you were never found Now The ADA was tasked with finding a woman killing off criminals. Atsushi and Kunikida captured and brought her back to the office. Once they took off her mask it was the same woman Dazai loved